- National Association for the Advancement of Colored People v. Alabama
- National Labor Relations Board v. Jones & Laughlin Steel Corp.
- Native Americans
- Near v. Minnesota
- Nebbia v. New York
- Nebraska Press Association v. Stuart
- New Jersey v. T.L.O.
- New York Times Company v. Sullivan
- New York Times Company v. United States
- New York v. Belton
- Nixon v. Fitzgerald
